How to uninstall or remove icedtea-8-plugin software package from Ubuntu 16.04 LTS (Xenial Xerus)

You can uninstall or removes an installed icedtea-8-plugin package itself from Ubuntu 16.04 LTS (Xenial Xerus) through the terminal,

$ sudo apt-get remove icedtea-8-plugin

Uninstall icedtea-8-plugin including dependent package

If you would like to remove icedtea-8-plugin and it's dependent packages which are no longer needed from Ubuntu,

$ sudo apt-get remove --auto-remove icedtea-8-plugin

Use Purging icedtea-8-plugin

If you use with purge options to icedtea-8-plugin package all the configuration and dependent packages will be removed.

$ sudo apt-get purge icedtea-8-plugin

If you use purge options along with auto remove, will be removed everything regarding the package, It's really useful when you want to reinstall again.

$ sudo apt-get purge --auto-remove icedtea-8-plugin